Lab 2

Question 1

Cerebral hemispheres

Answer 1

Higher brain functions

Question 2

Sulci

Answer 2

Shallow valleys between ridges

Question 3

Gyri

Answer 3

Ridges that increase surface area available for neurons

Question 4

Longitudinal fissure

Answer 4

Deep valley between hemispheres

Question 5

Transverse fissure

Answer 5

Deep valley between cerebrum and cerebellum

Question 6

Cerebral Cortex

Answer 6

Gray matter bark, site of neuron synapsing

Question 7

Corpus callosum

Answer 7

White matter track between cerebral hemispheres, carries information between halves of the cerebrum

Question 8

Fornix

Answer 8

White matter track inferior to the corpus callosum that carries information into the limbic system

Question 9

Frontal lobe

Answer 9

Personality, judgement, perception, reasoning, somatic motor control, some olfactory perception

Question 10

Parietal lobe

Answer 10

Somatosensory perception, language, math

Question 11

Temporal lobe

Answer 11

Hearing perception, facial recognition, some olfactory perception

Question 12

Occipital lobe

Answer 12

Vision perception

Question 13

Insula

Answer 13

Taste perception
(Under lateral sulcus)

Question 14

Central sulcus

Answer 14

Division between frontal and parietal lobes

Question 15

Precentral gyrus

Answer 15

Somatic motor control primary cortex

Question 16

Postcentral gyrus

Answer 16

Somatosensory primary cortex

Question 17

Lateral sulcus

Answer 17

Shallow valley between temporal and frontal/parietal lobes

Question 18

Thalamus

Answer 18

Gray matter relay station for ascending sensory or descending motor information

Question 19

Intermediate mass (thalamus)

Answer 19

Gray matter connection between two halves of the thalamus

Question 20

Hypothalamus

Answer 20

Gray matter region, master control of endocrine system, autonomic nervous system, emotions, body temperature, osmotic balance

Question 21

Mammillary bodies

Answer 21

Gray matter relay station for olfactory information, important for memory,

Question 22

Infundibulum

Answer 22

Stalk of axons that connects pituitary to hypothalamus

Question 23

Pituitary gland

Answer 23

Part glandular (anterior) to release hormones, part neuroendocrine (posterior cells are hormone releasing neurons)

Question 24

Cerebellar hemispheres and vermis

Answer 24

Unconscious somatic motor control to smooth, refine and coordinate movements

Question 25

Folia

Answer 25

Gray matter of cerebellum, site of synapsing

Question 26

Midbrain

Answer 26

Involves in unconscious motor control and reflex synapsing

Question 27

Superior colliculus

Answer 27

Site of visual pathway synapsing for visual reflex

Question 28

Inferior colliculus

Answer 28

Site of auditory pathway synapsing for auditory reflex (Part of corpora quadrigemina)

Question 29

Pons

Answer 29

White matter tracks that connect cerebrum to cerebellum and brain to SC, vegetative functions

Question 30

Medulla oblongata

Answer 30

Vegetative functions

Question 31

Pyramids

Answer 31

White matter tracks for descending SM information

Question 32

Choroid plexus

Answer 32

Produce CSF from capillary/ependymal cells

Question 33

Septum pellucidum

Answer 33

Division between left and right lateral ventricles

Question 34

Interventricular Foramen

Answer 34

Fluid movement between lateral ventricles

Question 35

Cerebral aqueduct

Answer 35

Canal for fluid movement between 3rd and 4th ventricles

Question 36

Fourth ventricle

Answer 36

Contains CSF, continuous with central canal of SC